Combined ruler and writing instrument unit



FIG. 1 is a top perspective view of a combined ruler and writing instrument unit showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a right end elevational view;

FIG. 5 is a left end elevational view;

FIG. 6 is a right side elevational view;

FIG. 7 is a left side elevational view; and

FIG. 8 is a top perspective view in an exploded condition with the writing tip portion of the writing instrument barrels shown in a fully extended condition. 

The ornamental design for a combined ruler and writing instrument unit, as shown and described. 